12212202222112 has 48 divisors (see below), whose sum is σ = 24069663136512. Its totient is φ = 6099274805760.

The previous prime is 12212202222109. The next prime is 12212202222133. The reversal of 12212202222112 is 21122220221221.

It is a super-2 number, since 2×12212202222112² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142239037 + ... + 142324867.

It is an arithmetic number, because the mean of its divisors is an integer number (501451315344).

Almost surely, 2^{12212202222112} is an apocalyptic number.

It is an amenable number.

12212202222112 is a deficient number, since it is larger than the sum of its proper divisors (11857460914400).

12212202222112 is a wasteful number, since it uses less digits than its factorization.

12212202222112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90761 (or 90753 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 12212202222112 its reverse (21122220221221), we get a palindrome (33334422443333).

The spelling of 12212202222112 in words is "twelve trillion, two hundred twelve billion, two hundred two million, two hundred twenty-two thousand, one hundred twelve".